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+++ b/packages/kernel/current/src/common/timer.cxx
@@ -0,0 +1,114 @@
+//==========================================================================
+//
+//	common/timer.cxx
+//
+//	Timer class implementations
+//
+//==========================================================================
+//####COPYRIGHTBEGIN####
+//
+// -------------------------------------------
+// The contents of this file are subject to the Cygnus eCos Public License
+// Version 1.0 (the "License"); you may not use this file except in
+// compliance with the License.  You may obtain a copy of the License at
+// http://sourceware.cygnus.com/ecos
+// 
+// Software distributed under the License is distributed on an "AS IS"
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the
+// License for the specific language governing rights and limitations under
+// the License.
+// 
+// The Original Code is eCos - Embedded Cygnus Operating System, released
+// September 30, 1998.
+// 
+// The Initial Developer of the Original Code is Cygnus.  Portions created
+// by Cygnus are Copyright (C) 1998 Cygnus Solutions.  All Rights Reserved.
+// -------------------------------------------
+//
+//####COPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s): 	dsm
+// Contributors:	dsm
+// Date:	1998-06-11
+// Purpose:	Clock class implementation
+// Description:	This file implements the Timer class which is derived from
+//              the Alarm class to support uITRON type functionality
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#include <pkgconf/kernel.h>
+
+#include <cyg/kernel/ktypes.h>         // base kernel types
+#include <cyg/infra/cyg_trac.h>        // tracing macros
+#include <cyg/infra/cyg_ass.h>         // assertion macros
+
+#include <cyg/kernel/clock.hxx>
+#include <cyg/kernel/timer.hxx>
+
+#include <cyg/kernel/clock.inl>        // Clock inlines
+
+// -------------------------------------------------------------------------
+
+Cyg_Timer::Cyg_Timer()
+{
+}
+
+Cyg_Timer::~Cyg_Timer()
+{
+    CYG_REPORT_FUNCTION();
+
+    disable();
+    counter = NULL;
+}
+
+// -------------------------------------------------------------------------
+
+void
+Cyg_Timer::initialize(
+        Cyg_Counter    *c,
+        cyg_alarm_fn   a,
+        CYG_ADDRWORD   d,
+        cyg_tick_count t,               // absolute time
+        cyg_tick_count i,               // 0 => one shot, else repeating
+        cyg_uint32     action           // (DISABLE | ENABLE)
+        )
+{
+    CYG_REPORT_FUNCTION();
+
+    counter  = c;
+    alarm    = a;
+    data     = d;
+    trigger  = t;
+    interval = i;
+    enabled  = false;
+
+    CYG_ASSERT(0 == (action & ~ENABLE), "unknown action");
+
+    if(action & ENABLE)
+        enable();
+}
+    
+void
+Cyg_Timer::activate(cyg_uint32 action)  // (DISABLE | ENABLE) [|RESET]
+{
+    if(!(action & ENABLE))
+        disable();
+
+    if((action & RESET))
+    {
+        cyg_tick_count t;
+        t = counter->current_value();
+        trigger = t + interval;
+    }
+
+    if((action & ENABLE)) {
+        enable();
+    }
+}
+
+// -------------------------------------------------------------------------
+// EOF common/timer.cxx